1320810880

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1693}}^1$

素因数の和:1788

約数の個数: 128

約数和(自身を含む): 3358998720

約数和(自身を除く): 2038187840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 53, 64, 80, 92, 106, 115, 128, 160, 184, 212, 230, 265, 320, 368, 424, 460, 530, 640, 736, 848, 920, 1060, 1219, 1472, 1693, 1696, 1840, 2120, 2438, 2944, 3386, 3392, 3680, 4240, 4876, 6095, 6772, 6784, 7360, 8465, 8480, 9752, 12190, 13544, 14720, 16930, 16960, 19504, 24380, 27088, 33860, 33920, 38939, 39008, 48760, 54176, 67720, 77878, 78016, 89729, 97520, 108352, 135440, 155756, 156032, 179458, 194695, 195040, 216704, 270880, 311512, 358916, 389390, 390080, 448645, 541760, 623024, 717832, 778780, 780160, 897290, 1083520, 1246048, 1435664, 1557560, 1794580, 2063767, 2492096, 2871328, 3115120, 3589160, 4127534, 4984192, 5742656, 6230240, 7178320, 8255068, 10318835, 11485312, 12460480, 14356640, 16510136, 20637670, 24920960, 28713280, 33020272, 41275340, 57426560, 66040544, 82550680, 132081088, 165101360, 264162176, 330202720, 660405440, 1320810880]

約数ペア:

[(1, 1320810880), (2, 660405440), (4, 330202720), (5, 264162176), (8, 165101360), (10, 132081088), (16, 82550680), (20, 66040544), (23, 57426560), (32, 41275340), (40, 33020272), (46, 28713280), (53, 24920960), (64, 20637670), (80, 16510136), (92, 14356640), (106, 12460480), (115, 11485312), (128, 10318835), (160, 8255068), (184, 7178320), (212, 6230240), (230, 5742656), (265, 4984192), (320, 4127534), (368, 3589160), (424, 3115120), (460, 2871328), (530, 2492096), (640, 2063767), (736, 1794580), (848, 1557560), (920, 1435664), (1060, 1246048), (1219, 1083520), (1472, 897290), (1693, 780160), (1696, 778780), (1840, 717832), (2120, 623024), (2438, 541760), (2944, 448645), (3386, 390080), (3392, 389390), (3680, 358916), (4240, 311512), (4876, 270880), (6095, 216704), (6772, 195040), (6784, 194695), (7360, 179458), (8465, 156032), (8480, 155756), (9752, 135440), (12190, 108352), (13544, 97520), (14720, 89729), (16930, 78016), (16960, 77878), (19504, 67720), (24380, 54176), (27088, 48760), (33860, 39008), (33920, 38939)]